1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
49
50
51
52
53
54
55
56
57
58
59
60
61
62
63
64
65
66
67
68
69
70
71
72
73
74
75
76
77
78
79
80
81
82
83
84
85
86
87
88
89
90
91
92
93
94
95
96
97
98
99
100
101
102
103
104
105
106
107
108
109
110
111
|
package uk.ac.bristol.star.cdf;
/**
* Represents an entry in a global or variable attribute.
*
* @author Mark Taylor
* @since 28 Jun 2013
*/
public class AttributeEntry {
private final DataType dataType_;
private final Object rawValue_;
private final int nitem_;
/**
* Constructor.
*
* @param dataType data type
* @param rawValue array object storing original representation
* of the object in the CDF (array of primitives or
* Strings)
* @param nitem number of items represented by the array
*/
public AttributeEntry( DataType dataType, Object rawValue, int nitem ) {
dataType_ = dataType;
rawValue_ = rawValue;
nitem_ = nitem;
}
/**
* Returns the data type of this entry.
*
* @return data type
*/
public DataType getDataType() {
return dataType_;
}
/**
* Returns the array object storing the original representation
* of the object in the CDF. This is either an array of either
* primitives or Strings.
*
* @return raw array value
*/
public Object getRawValue() {
return rawValue_;
}
/**
* Returns the value of this entry as a convenient object.
* If the item count is 1 it's the same as <code>getItem(0)</code>,
* and if the item count is >1 it's the same as the raw value.
*
* @return shaped entry value
*/
public Object getShapedValue() {
if ( nitem_ == 0 ) {
return null;
}
else if ( nitem_ == 1 ) {
return dataType_.getScalar( rawValue_, 0 );
}
else {
return rawValue_;
}
}
/**
* Returns the number of items in this entry.
*
* @return item count
*/
public int getItemCount() {
return nitem_;
}
/**
* Returns an object representing one of the items in this entry.
* If the raw array is a primitive, the result is a wrapper object.
*
* @param itemIndex item index
* @return value of item
*/
public Object getItem( int itemIndex ) {
return dataType_.getScalar( rawValue_,
dataType_.getArrayIndex( itemIndex ) );
}
/**
* Formats the value of this entry as a string.
*/
@Override
public String toString() {
if ( rawValue_ == null || nitem_ == 0 ) {
return "";
}
else {
StringBuffer sbuf = new StringBuffer();
for ( int i = 0; i < nitem_; i++ ) {
if ( i > 0 ) {
sbuf.append( ", " );
}
sbuf.append( dataType_
.formatArrayValue( rawValue_,
dataType_.getArrayIndex( i ) ) );
}
return sbuf.toString();
}
}
}
|
